WO2021015730A1 - Charge de batteries à base de calendrier - Google Patents

Charge de batteries à base de calendrier Download PDF

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Publication number
WO2021015730A1
WO2021015730A1 PCT/US2019/042779 US2019042779W WO2021015730A1 WO 2021015730 A1 WO2021015730 A1 WO 2021015730A1 US 2019042779 W US2019042779 W US 2019042779W WO 2021015730 A1 WO2021015730 A1 WO 2021015730A1
Authority
WO
WIPO (PCT)
Prior art keywords
charge capacity
rechargeable battery
computing device
controller
charge
Prior art date
Application number
PCT/US2019/042779
Other languages
English (en)
Inventor
Hassan A. SYED
Juan Martinez
Benson C. LIM
Original Assignee
Hewlett-Packard Development Company, L.P.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett-Packard Development Company, L.P. filed Critical Hewlett-Packard Development Company, L.P.
Priority to PCT/US2019/042779 priority Critical patent/WO2021015730A1/fr
Priority to US17/415,760 priority patent/US20220247196A1/en
Publication of WO2021015730A1 publication Critical patent/WO2021015730A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop

Definitions

  • Computing devices can utilize a battery in order to function when not connected to a power source.
  • the battery can provide power to a computing device when the computing device is not connected to a power source, during which time the charge capacity in the battery is depleted.
  • the power source can provide power to the computing device, as well as charge the battery so that the battery can provide power to the computing device when the computing device is disconnected from the power source.
  • Figure 1 illustrates an example of a computing device for schedule- based charging of batteries consistent with the disclosure.
  • Figure 2 illustrates an example of a controller for schedule-based charging of batteries consistent with the disclosure.
  • Figure 3 illustrates a block diagram of an example system consistent with the disclosure.
  • Figure 4 illustrates an example of a method for schedule-based charging of batteries consistent with the disclosure.
  • a computing device can utilize a battery to power the computing device when the computing device is not connected to a power source.
  • the battery can be recharged when the computing device is connected to a power source.
  • the term“battery” refers to a device having an electrochemical cell with external connections to provide power to electrical devices.
  • the electrochemical cells in a battery can provide power to a computing device.
  • the term“computing device” can be, for example, a laptop computer, a notebook computer, a desktop computer, and/or a mobile device (e.g., a smart phone, tablet, personal digital assistant, smart glasses, a wrist-worn device, etc.), among other types of computing devices.
  • a mobile device can include devices that are (or can be) carried and/or worn by a user.
  • a mobile device can be a phone (e.g., a smart phone), a tablet, a personal digital assistant (PDA), smart glasses, and/or a wrist-worn device (e.g., a smart watch), among other types of mobile devices.
  • a phone e.g., a smart phone
  • a tablet e.g., a tablet
  • PDA personal digital assistant
  • smart glasses e.g., smart glasses
  • a wrist-worn device e.g., a smart watch
  • a battery may be recharged when power is depleted from the electrochemical cell included in the battery.
  • the term“rechargeable battery” refers to a battery which can be charged, discharged into an electrical load (e.g., an electrical device), and recharged again.
  • a rechargeable battery may discharge power from electrochemical cells included in the rechargeable battery (e.g., to a computing device), and be recharged so that the rechargeable battery may again be able to discharge power from the electrochemical cells.
  • charge capacity refers to an amount of charge stored in a battery.
  • full charge capacity refers to a total amount of charge capacity included in a battery.
  • Some rechargeable batteries may lose charge capacity over time. For example, charging a rechargeable battery to a full charge capacity and maintaining the full charge capacity for a period of time can stress the rechargeable battery.
  • the total amount of charge capacity of the rechargeable battery when manufactured and/or the full charge capacity of the rechargeable battery may diminish over the life cycle of the rechargeable battery.
  • Schedule-based charging of batteries can allow for a battery to be charged to a charge capacity that is less than a full charge capacity when a user does not have any appointments on a schedule. Charging the battery to a charge capacity that is less than a full charge capacity can prolong a lifespan of a rechargeable battery.
  • rechargeable battery can be charged to a full capacity to allow the user to utilize the full charge capacity of the rechargeable battery associated with the user’s computing device.
  • Figure 1 illustrates an example of a computing device 102 for schedule-based charging of batteries consistent with the disclosure.
  • the computing device 102 can include a rechargeable battery 104 and a controller 106.
  • the computing device 102 can include a rechargeable battery 104. As described above, the computing device 102 can utilize the rechargeable battery 104 in instances where the computing device 102 is not connected to the power source 108. For example, when a user takes the computing device 102 to an appointment where a power source is not available, the
  • rechargeable battery 104 can power the computing device 102.
  • a user may reconnect the computing device 102 to a power source to charge the rechargeable battery 104.
  • the rechargeable battery 104 can be a lithium-ion battery.
  • examples of the disclosure are not so limited.
  • the rechargeable battery 104 can be any other type of rechargeable battery.
  • the computing device 102 can be connected to the power source 108.
  • the term“power source” refers to a device that supplies electrical power to another device.
  • the power source 108 can be an alternating-current (AC) power source, a direct-current (DC) power source, wireless power sharing power source, etc.
  • the rechargeable battery 104 can be charged according to a schedule, as is further described herein. Accordingly, the controller 106 can determine a schedule associated with a user identity.
  • the term“user identity” refers to a logical entity to identify a user in a computing environment.
  • a user identity can be a unique string of characters that can identify a user in, for instance, a software system.
  • the user identity can be associated with a schedule.
  • the term“schedule” refers to an event or a collection of events to occur at or during a particular time or period.
  • a schedule can include an appointment which is to occur at a particular time and/or place.
  • the term “appointment” refers to an event set for a specific time and/or place.
  • the appointment can be for a meeting set for a specific time (e.g., 10 AM) and/or for a specific place (e.g., a specified location).
  • the appointment can be, for instance, a business meeting, personal appointment, and/or any other event which can be set for a specific time and/or place.
  • the schedule may be included in scheduling software.
  • the schedule can be a collection of events to occur at or during a particular time or period, where the collection of events can be stored in a database as text, logs, a website, an application on a mobile device (e.g., a smart phone), and/or any other type of data structure that can be retrieved from the database and used to determine a battery charging schedule.
  • the scheduling software may be located local to the computing device 102 and/or remote from the computing device 102.
  • the scheduling software may be located locally on the computing device 102 and the user identity can be associated with the computing device 102.
  • the scheduling software may be located remotely from the computing device 102 (e.g., via a remote server and/or cloud computing server) and the user identity can be associated with a particular instance of the scheduling software located on the remote server and/or cloud computing server.
  • a user identity can be associated with multiple devices (e.g., the computing device 102, a mobile device such as a smart phone being connected with the remote server and/or cloud computing server, etc.).
  • controller 106 is illustrated in Figure 1 as being included in computing device 102, examples of the disclosure are not so limited.
  • the controller 106 may be located remote from the computing device 102 and can communicate with the computing device 102 via a network relationship.
  • the controller 106 may communicate with the computing device 102 via a wired or wireless network.
  • the wired or wireless network connection can be a network
  • Examples of such a network relationship can include a local area network (LAN), wide area network (WAN), personal area network (PAN), a distributed computing environment (e.g., a cloud computing environment), storage area network (SAN), Metropolitan area network (MAN), a cellular communications network, Long Term Evolution (LTE), visible light communication (VLC), Bluetooth, Worldwide
  • the controller 106 can determine a schedule associated with a user identity of a user. For example, a user may have appointments on the user’s associated schedule in various locations throughout the day. For instance, the controller 106 can determine that the user has a first appointment at 10 AM, where the first appointment is a phone conference call the user is to dial in from at the user’s workstation, and a second appointment at 12 PM, where the second appointment is in a conference room.
  • a schedule associated with a user identity of a user For example, a user may have appointments on the user’s associated schedule in various locations throughout the day. For instance, the controller 106 can determine that the user has a first appointment at 10 AM, where the first appointment is a phone conference call the user is to dial in from at the user’s workstation, and a second appointment at 12 PM, where the second appointment is in a conference room.
  • the controller 106 can determine whether the appointment is in a location without a power source. For example, the controller 106 can determine that the first appointment is at the user’s workstation, which includes a power source (e.g., power source 108), and that the second appointment is in a conference room that is located away from the power source 108. Accordingly, the controller 106 can determine that the second appointment (e.g., at 12 PM) may be in a location without a power source.
  • a power source e.g., power source 108
  • the controller 106 can cause, in response to an appointment included on the schedule associated with the user identity, the rechargeable battery 104 of the computing device 102 to charge from a first charge capacity to a second charge capacity.
  • the second charge capacity can be greater than the first charge capacity.
  • the second charge capacity can correspond to a full charge capacity of the rechargeable battery 104.
  • the controller 106 can cause the rechargeable battery 104 to charge to 100% charge capacity (e.g., the second charge capacity) in response to the appointment being included on the schedule.
  • the computing device 102 can be powered by the power source 108 while the controller 106 causes the rechargeable battery 104 to be charged (e.g., by the power source 108) to the second charge capacity.
  • the first charge capacity can be a threshold charge capacity that is less than the full charge capacity of the rechargeable battery 104.
  • the first charge capacity can be a threshold charge capacity (e.g., 85% charge capacity). That is, while the computing device 102 is connected to the power source 108, the controller 106 can cause the rechargeable battery 104 to charge to the first charge capacity (e.g., 85% charge capacity), and then prevent the rechargeable battery 104 from charging to the second charge capacity until an appointment is included on the schedule associated with the user identity such that the controller 106 causes the rechargeable battery 104 to charge to the second charge capacity.
  • the first charge capacity e.g., 85% charge capacity
  • the threshold charge capacity is described above as being 85% charge capacity, examples of the disclosure are not so limited.
  • the threshold charge capacity can be less than 85% (e.g., 80%) or more than 85% (e.g., 90%).
  • the threshold charge capacity is described above as being a particular charge capacity percentage, examples of the disclosure are not so limited.
  • the threshold charge capacity can include a range of charge capacities.
  • the first charge capacity may be a charge capacity range (e.g., 75% to 85% charge capacity). That is, while the computing device 102 is connected to the power source 108, the controller 106 can cause the rechargeable battery 104 to charge to the first charge capacity included in the charge capacity range (e.g., 80%), and then prevent the rechargeable battery 104 from charging to the second charge capacity until an appointment is included on the schedule associated with the user identity such that the controller 106 causes the
  • the first charge capacity can be an intermediate charge capacity.
  • the computing device 102 may have been disconnected from the power source 108 (e.g., a user may have been carrying the computing device 102 with them around a workplace) while the rechargeable battery 104 powers the computing device 102. Accordingly, a user may connect the computing device 102 to the power source 108 such that the intermediate charge capacity of the rechargeable battery 104 is at 40%.
  • the controller 106 can cause the rechargeable battery 104 to charge to the second charge capacity (e.g., the full charge capacity) from the first charge capacity (e.g., 40%, the intermediate charge capacity) in response to an appointment being included on the schedule associated with the user identity. In an example in which no appointments are included on the schedule, the controller 106 can cause the rechargeable battery 104 to charge to a threshold charge capacity (e.g., 85%, as described above) until there is an appointment determined to be included on the schedule.
  • a threshold charge capacity e.g., 85%, as described above
  • the appointment may be in location with a power source (e.g., power source 108).
  • the controller 106 can cause, in response to the appointment being at a location with a power source, the rechargeable battery to charge to the first charge capacity.
  • the first charge capacity can be a threshold charge capacity (e.g., 85% charge capacity).
  • the controller 106 can cause the rechargeable battery 104 to charge to the threshold charge capacity, as the full charge capacity (e.g., 100% charge capacity) is not imperative since the appointment is at a location with a power source 108. Preventing the rechargeable battery 104 from being at the full charge capacity while connected to the power source can prevent stress on the rechargeable battery 104, which can extend the lifecycle of the rechargeable battery.
  • the controller 106 can generate a notification in response to the appointment being in a location with a power source 108.
  • the notification can alert a user that the rechargeable battery 104 is not being charged to the full charge capacity as a power source 108 exists at the location of the appointment.
  • the notification can be displayed for the user via a display of the computing device 102, transmitted to a mobile device of the user, etc.
  • the appointment may be in a location without a power source 108.
  • the controller 106 can cause, in response to the appointment being at a location without the power source 108, the rechargeable battery 104 to charge to the second charge capacity.
  • the second charge capacity can be a full charge capacity (e.g., 100% charge capacity).
  • the controller 106 can cause the rechargeable battery 104 to charge to the full charge capacity, allowing the user to utilize the full charge capacity of the rechargeable battery 104 as the user transits with the computing device 102 while the computing device 102 is disconnected from a power source 108.
  • the controller 106 can cause the rechargeable battery 104 to charge to the second charge capacity a predetermined amount of time before the appointment.
  • the predetermined amount of time can be based on a time of the appointment, an amount of time to charge the rechargeable battery 104 from the first charge capacity to the second charge capacity, an amount of time to transit from a current location of the computing device 102 to a location of the appointment, and/or a rate at which the rechargeable battery 104 is charged, as is further described herein.
  • the controller 106 can determine an amount of time to charge the rechargeable battery 104 from the first charge capacity to the second charge capacity (e.g., the full charge capacity).
  • the first charge capacity can be the threshold charge capacity (e.g., 85% charge capacity), and the controller 106 can determine an amount of time to charge the rechargeable battery 104 from the threshold capacity to the second charge capacity to be 10 minutes.
  • the first charge capacity can be an intermediate charge capacity (e.g., 45% charge capacity), and the controller 106 can determine an amount of time to charge the rechargeable battery 104 from the current capacity to the second charge capacity to be 45 minutes.
  • the controller 106 can determine an amount of time to transit from a current location of the computing device 102 to a location of the appointment.
  • the controller 106 can determine a current location of the computing device 102 using a global positioning system (GPS) included on the computing device 102, a network connection such as a wired or wireless network relationship, Bluetooth, etc. Further, the controller 106 can determine a location of the appointment which can be included in appointment details associated with the appointment. Accordingly, the controller 106 can determine an amount of time to transit from the determined current location of the computing device 102 to the determined location of the appointment.
  • GPS global positioning system
  • the controller 106 can cause the rechargeable battery 104 to charge from the first charge capacity to the second charge capacity at a particular predetermined time.
  • the particular time can be based on a time of the appointment, the amount of time to charge the rechargeable battery 104 from the first charge capacity to the second charge capacity, and/or the amount of time to transit from the current location of the computing device 102 to the location of the appointment.
  • the controller 106 can determine that an appointment included on the schedule at 12 PM does not have a power source 108, that the amount of time to charge the rechargeable battery 104 from the first charge capacity to the second charge capacity is 45 minutes, and that the amount of time to transit from the current location of the computing device 102 to the location of the appointment (e.g., a conference room) is 10 minutes. Accordingly, the controller 106 can cause the rechargeable battery 104 to charge to the second charge capacity at least 45 minutes before the scheduled 12 PM appointment (e.g., 11 :15 AM) in order to allow enough time for the rechargeable battery 104 to charge to the second charge capacity.
  • the controller 106 can cause the rechargeable battery 104 to charge to the second charge capacity at least 45 minutes before the scheduled 12 PM appointment (e.g., 11 :15 AM) in order to allow enough time for the rechargeable battery 104 to charge to the second charge capacity.
  • the controller 106 can determine that an appointment included on the schedule at 12 PM does not have a power source 108, that the amount of time to charge the rechargeable battery 104 from the first charge capacity to the second charge capacity is 45 minutes, and that the amount of time to transit from the current location of the computing device 102 to the location of the appointment (e.g., an offsite location) is 55 minutes.
  • the amount of time to transit to the location of the appointment may be determined based on geographic proximity, traffic conditions on roads between the current location of the computing device 102 and the location of the appointment, etc.
  • the controller 106 can cause the rechargeable battery 104 to charge to the second charge capacity at least 55 minutes before the scheduled 12 PM appointment (e.g., 11 :05 AM) in order to allow enough time for the rechargeable battery 104 to charge to the second charge capacity.
  • the controller 106 can cause the rechargeable battery 104 to charge to the second charge capacity a predetermined amount of time before the appointment based on a rate at which the rechargeable battery 104 is charged. For example, a predetermined charge rate may be selected such that the controller 106 can cause the rechargeable battery 104 to charge to the second charge capacity a particular amount of time before the appointment according to the charge rate. For instance, the predetermined charge rate may be a particular percentage of charge per unit of time. The controller 106 can cause the
  • the rechargeable battery 104 to charge to the second charge capacity a predetermined amount of time before the appointment based on a current charge capacity of the rechargeable battery 104 (e.g., 45%) and the predetermined charge rate (e.g., 0.5% charge per minute).
  • a current charge capacity of the rechargeable battery 104 e.g., 45%
  • the predetermined charge rate e.g. 0.5% charge per minute.
  • the predetermined charge rate is described above as being 0.5% per minute, examples of the disclosure are not so limited.
  • the predetermined charge rate can be any other unit of charge per unit of time.
  • an appointment may be removed from the schedule.
  • the appointment may be canceled by the appointment organizer, a user of the computing device 102 may no longer be able to attend the appointment, etc.
  • the controller 106 can prevent the rechargeable battery 104 from being charged to the second charge capacity in response to the appointment being removed from the schedule.
  • the controller 106 can determine a schedule associated with the user identity that may include an appointment which occurs before the controller 106 is able to cause the rechargeable battery 104 to charge to the first charge capacity or the second charge capacity. In such an example, the controller 106 can modify the first charge capacity and/or second charge capacity, as is further described herein.
  • the first charge capacity may be specified as 85%
  • the controller 106 may determine an appointment without a power source 108 is scheduled for 3:00 PM
  • the current charge capacity is 50%
  • the current time is 2:30 PM.
  • the controller 106 may not have enough time to cause the rechargeable battery 104 to be able to charge to the second charge capacity (e.g., 100%).
  • the controller 106 can change the second charge capacity to a charge capacity that may be less than the full charge capacity such that the controller 106 is able to cause the rechargeable battery 104 to charge as much as possible prior to the time of the appointment or prior to a time a user departs to transit from a current location of the computing device 102 to a location of the appointment.
  • the first charge capacity may be specified as 85%
  • the controller 106 may determine an appointment with a power source 108 is scheduled for 3:00 PM, the current charge capacity is 50% and the current time is 2:30 PM. Since the appointment includes a power source 108, the controller 106 can cause the rechargeable battery 104 to charge to the first charge capacity (e.g., 85%).
  • the first charge capacity may be specified as 85%
  • the controller 106 may determine a first appointment with a power source 108 is scheduled for 3:00 PM and a second appointment without a power source is scheduled for 3:15 PM, the current charge capacity is 50% and the current time is 2:30 PM. Based on a particular charge rate, the controller 106 may not have enough time to cause the rechargeable battery 104 to be able to charge to the second charge capacity (e.g., 100%) from the first charge capacity (e.g., 85%) between the first appointment and the second appointment.
  • the second charge capacity e.g. 100%
  • the controller 106 can change the first charge capacity to a charge capacity that may be closer to the full charge capacity such that the controller 106 is able to cause the rechargeable battery 104 to charge to the full charge capacity in the timeframe.
  • the controller 106 may change the first charge capacity from 85% to 90% so that the rechargeable battery can maintain a lesser charge capacity but still have enough time to charge to a full charge capacity prior to the second appointment (e.g., without the power source) prior to the time of the second appointment or prior to a time a user departs to transit from a current location of the computing device 102 to a location of the second appointment.
  • the controller 106 can determine an unscheduled event in which the computing device 102 is disconnected from a power source 108.
  • the term“unscheduled event” refers to an action that takes place which does not have a set time for occurrence.
  • the controller 106 can determine the unscheduled event based on past unscheduled events via machine learning.
  • the term“machine learning” refers to data analysis that automates an analytical model building by relying on patterns and inference.
  • the controller 106 can record unscheduled events over a predetermined period of time. The predetermined period of time may be for a week, a month, a year, etc.
  • the controller 106 can analyze past unscheduled events during the predetermined period of time in which the computing device 102 is disconnected from a power source 108 and make a prediction as to when an unscheduled event in which the computing device 102 is disconnected from a power source 108 may occur in the future, as is further described herein.
  • the controller 106 may record an unscheduled event (e.g., a user disconnecting the computing device 102 from the power source 108 at or around 5 PM) over a period of 3 months.
  • the user may disconnect the computing device 102 as the user decides to go home from work and bring the computing device 102 with them, for example.
  • the user may disconnect the computing device 102 at 4:57 PM on a first day, disconnect the computing device 102 at 4:49 PM on a second day, disconnect the computing device 102 at 5:05 PM PM on a third day, etc.
  • the controller 106 can determine, via machine learning using the times at which the user disconnected the computing device 102 over the 3 month period of time, that an unscheduled event is occurring at 5 PM every day (e.g., that the user is disconnecting the computing device 102 from a power source 108 at or around 5 PM).
  • a schedule can be modified, such as by adding an event to the schedule used to determine when to charge the rechargeable battery or increasing the amount of time needed to start charging the rechargeable battery based on early disconnects from a power source prior to an event.
  • Machine learning may include, for instance, artificial neural networks, decision trees, support vector machines, and/or Bayesian networks, among other types of machine learning models.
  • the controller 106 can cause, based on the determined unscheduled event, the rechargeable battery 104 to be charged from a first charge capacity (e.g., a threshold charge capacity, an intermediate charge capacity, etc.) to the second charge capacity.
  • a first charge capacity e.g., a threshold charge capacity, an intermediate charge capacity, etc.
  • the controller 106 can cause the rechargeable battery 104 to be charged to the second charge capacity at a particular time based on an amount of time to charge the rechargeable battery 104 to the second charge capacity.
  • the controller 106 can cause the rechargeable battery 104 to be charged to the second charge capacity at 4:30 PM in response to the controller 106 determining it can take 30 minutes to charge the rechargeable battery 104 to the second charge capacity, among other examples.
  • the unscheduled event is described above as being a user disconnecting the computing device 102 from a power source 108 at the end of a workday, examples of the disclosure are not so limited.
  • the unscheduled event may be the user disconnecting the computing device 102 from a power source 108 at any other time, for recurring appointments, etc.
  • Schedule-based charging of batteries can allow for a rechargeable battery to be charged to a threshold charge capacity that is less than a full charge capacity until an appointment in which a computing device having the rechargeable battery has to be disconnected from a power source.
  • Preventing the rechargeable battery from being charged to and maintained at a full charge capacity while the computing device is connected to a power source can prevent the rechargeable battery from being stressed, which can prevent the total amount of charge capacity of the rechargeable battery from diminishing, extending the lifecycle of the rechargeable battery.
  • FIG. 2 illustrates an example of a controller 206 for schedule-based charging of batteries consistent with the disclosure.
  • the controller 206 may perform functions related to schedule-based charging of batteries.
  • the controller 206 may include a processor and a machine-readable storage medium.
  • the controller 206 may be distributed across multiple machine-readable storage mediums and the controller 206 may be distributed across multiple processors.
  • the instructions executed by the controller 206 may be stored across multiple machine- readable storage mediums and executed across multiple processors, such as in a distributed or virtual computing environment.
  • Processing resource 210 may be a central processing unit (CPU), a semiconductor-based microprocessor, and/or other hardware devices suitable for retrieval and execution of machine-readable instructions 214, 216 stored in a memory resource 212.
  • Processing resource 210 may fetch, decode, and execute instructions 214, 216.
  • processing resource 210 may include a plurality of electronic circuits that include electronic components for performing the functionality of instructions 214, 216.
  • Memory resource 212 may be any electronic, magnetic, optical, or other physical storage device that stores executable instructions 214, 216 and/or data.
  • memory resource 212 may be, for example, Random Access Memory (RAM), an Electrically-Erasable Programmable Read-Only Memory (EEPROM), a storage drive, an optical disc, and the like.
  • RAM Random Access Memory
  • EEPROM Electrically-Erasable Programmable Read-Only Memory
  • Memory resource 212 may be disposed within controller 206, as shown in Figure 2. Additionally, memory resource 212 may be a portable, external or remote storage medium, for example, that causes controller 206 to download the instructions 214, 216 from the portable/external/remote storage medium.
  • the controller 206 may include instructions 214 stored in the memory resource 212 and executable by the processing resource 210 to determine a schedule associated with a user identity. For example, a user may have
  • the controller 206 can, accordingly, determine whether the schedule includes any appointments.
  • the controller 206 may include instructions 216 stored in the memory resource 212 and executable by the processing resource 210 to cause, in response to an appointment included on the schedule associated with the user identity, a rechargeable battery of a computing device to charge from a first charge capacity to a second charge capacity.
  • the first charge capacity can be an intermediate charge capacity or a threshold charge capacity
  • the second charge capacity can be a full charge capacity.
  • the appointment may be in a location such that a user has to disconnect the computing device from a power source to bring the computing device with to the appointment. In anticipation, the controller 206 can cause the
  • FIG. 3 illustrates a block diagram of an example system 318 consistent with the disclosure.
  • system 318 includes a computing device 302 having a rechargeable battery 304 and a controller 306.
  • the controller 306 can include a processing resource 320 and a machine-readable storage medium 322.
  • the following descriptions refer to a single processing resource and a single machine-readable storage medium, the descriptions may also apply to a system with multiple processors and multiple machine-readable storage mediums.
  • the instructions may be distributed across multiple machine-readable storage mediums and the instructions may be distributed across multiple processors. Put another way, the instructions may be stored across multiple machine-readable storage mediums and executed across multiple processors, such as in a distributed computing environment.
  • Processing resource 320 may be a central processing unit (CPU), microprocessor, and/or other hardware device suitable for retrieval and execution of instructions stored in machine-readable storage medium 322.
  • processing resource 320 may receive, determine, and send instructions 324, 326, and 328.
  • processing resource 320 may include an electronic circuit comprising a number of electronic components for performing the operations of the instructions in machine-readable storage medium 322.
  • executable instruction representations or boxes described and shown herein it should be understood that part or all of the executable instructions and/or electronic circuits included within one box may be included in a different box shown in the figures or in a different box not shown.
  • Machine-readable storage medium 322 may be any electronic, magnetic, optical, or other physical storage device that stores executable
  • machine-readable storage medium 322 may be, for example, Random Access Memory (RAM), an Electrically-Erasable Programmable Read-Only Memory (EEPROM), a storage drive, an optical disc, and the like.
  • the executable instructions may be“installed” on the system 318 illustrated in Figure 3.
  • Machine- readable storage medium 322 may be a portable, external or remote storage medium, for example, that allows the system 318 to download the instructions from the portable/external/remote storage medium. In this situation, the executable instructions may be part of an“installation package”.
  • machine- readable storage medium 322 may be encoded with executable instructions associated with schedule-based charging of batteries.
  • Determine instructions 324 when executed by a processor such as processing resource 320, may cause system 318 to determine a schedule associated with a user identity. For example, a user may have appointments on a schedule associated with the user’s user identity. The system 318 can, accordingly, determine whether the schedule includes any appointments.
  • Cause instructions 326 when executed by a processor such as processing resource 320, may cause system 318 to cause the rechargeable battery 304 of the computing device 302 to be charged to a first charge capacity.
  • the first charge capacity can be a threshold charge capacity, such as 85% charge capacity of the rechargeable battery 304. Charging the rechargeable battery 304 to a threshold charge capacity that is less than the full charge capacity of the rechargeable battery 304 when the computing device 302 is connected to a power source can prevent stressing of the battery and extend the lifecycle of the rechargeable battery 304.
  • the system 318 can cause the rechargeable battery 304 to charge from an intermediate charge capacity to the first charge capacity.
  • Cause instructions 328 when executed by a processor such as processing resource 320, may cause system 318 to cause, in response to an appointment being included on the schedule associated with the user identity, the rechargeable battery 304 of the computing device 302 to charge from the first charge capacity to a second charge capacity, wherein the second charge capacity is greater than the first charge capacity.
  • the appointment may be in a location such that a user has to disconnect the computing device 302 from the power source to bring the computing device 302 with to the appointment.
  • FIG 4 illustrates an example of a method 430 for schedule-based charging of batteries consistent with the disclosure.
  • method 430 can be performed by a controller (e.g., controller 106, 206, 306, previously described in connection with Figures 1-3, respectively).
  • the method 430 includes determining, by a controller, a schedule associated with a user identity. For example, a user may have
  • the controller can, accordingly, determine whether the schedule includes any appointments.
  • the method 430 includes causing, in response to no
  • a rechargeable battery of a computing device to be charged to a first charge capacity. For instance, if there are no appointments in which the computing device has to utilize a rechargeable battery to power the computing device, the controller can cause the rechargeable battery to be charged to the first charge capacity.
  • the first charge capacity can be a threshold charge capacity, such as 85% charge capacity of the rechargeable battery. Charging the rechargeable battery to a threshold charge capacity that is less than the full charge capacity of the rechargeable battery when the computing device is connected to a power source can prevent stressing of the battery and extend the lifecycle of the rechargeable battery.
  • the method 430 can include causing the rechargeable battery to be charged from an intermediate charge capacity to the first charge capacity in response to the computing device being plugged into a power source. For example, a user may be utilizing the computing device while it is not plugged into a power source and as a result, the charge capacity of the rechargeable battery can be depleted.
  • the controller can cause the rechargeable battery to charge from an intermediate charge capacity (e.g., whatever charge capacity the rechargeable battery is at when the computing device is connected to the power source) to the first charge capacity when there are no determined appointments in which the computing device is not able to connect to a power source.
  • the method 430 includes causing, in response to an
  • the rechargeable battery to be charged to a second charge capacity, where the second charge capacity corresponds to a full charge capacity of the rechargeable battery.
  • the appointment may be in a location such that a user has to disconnect the computing device from the power source to bring the computing device with to the appointment.
  • the controller can cause the rechargeable battery of the computing device to charge to the second charge capacity such that a user can utilize a fully charged rechargeable battery to power the computing device when the computing device is disconnected from the power source and the rechargeable battery is powering the computing device.
  • the method 430 can include causing the rechargeable battery to be charged from an intermediate charge capacity to the second charge capacity in response to the computing device being plugged into a power source and a different appointment being included in the schedule associated with the user identity. For example, a user may be utilizing the computing device while it is not plugged into a power source and as a result, the charge capacity of the rechargeable battery can be depleted. Once a user connects the computing device to a power source, the controller can cause the rechargeable battery to charge from an intermediate charge capacity (e.g., whatever charge capacity the rechargeable battery is at when the computing device is connected to the power source) to the second charge capacity when there is another determined appointment in which the computing device is not able to connect to a power source.
  • an intermediate charge capacity e.g., whatever charge capacity the rechargeable battery is at when the computing device is connected to the power source

Abstract

Selon certains modes de réalisation représentatifs l'invention concerne un contrôleur comprenant une ressource de traitement et une ressource de mémoire stockant des instructions pour entraîner la détermination par la ressource de traitement d'un calendrier associé à une identité d'utilisateur, et effectuer la charge, en réponse à un rendez-vous inclus sur le calendrier associé à l'identité d'utilisateur, d'une batterie rechargeable d'un dispositif informatique depuis une première capacité de charge vers une seconde capacité de charge.
PCT/US2019/042779 2019-07-22 2019-07-22 Charge de batteries à base de calendrier WO2021015730A1 (fr)

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PCT/US2019/042779 WO2021015730A1 (fr) 2019-07-22 2019-07-22 Charge de batteries à base de calendrier
US17/415,760 US20220247196A1 (en) 2019-07-22 2019-07-22 Schedule-based charging of batteries

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US11888340B2 (en) * 2020-12-04 2024-01-30 Schneider Electric It Corporation Method to enhance the life of a lithium battery

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